134666246961 has 9 divisors (see below), whose sum is σ = 194519502489. Its totient is φ = 89776764036.

The previous prime is 134666246941. The next prime is 134666246977. The reversal of 134666246961 is 169642666431.

The square root of 134666246961 is 366969.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 134666246961 - 2²⁵ = 134632692529 is a prime.

It is a super-2 number, since 2×134666246961² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134666246898 and 134666246907.

It is not an unprimeable number, because it can be changed into a prime (134666246941) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1039746 + ... + 1162068.

Almost surely, 2^134666246961 is an apocalyptic number.

134666246961 is the 366969-th square number.

134666246961 is the 183485-th centered octagonal number.

It is an amenable number.

134666246961 is a deficient number, since it is larger than the sum of its proper divisors (59853255528).

134666246961 is an frugal number, since it uses more digits than its factorization.

134666246961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244652 (or 122326 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 134666246961 in words is "one hundred thirty-four billion, six hundred sixty-six million, two hundred forty-six thousand, nine hundred sixty-one".